private int GetColorID(Color color)
{
int colorID;
bool keyFound;
keyFound = UsedColors.TryGetValue(color.ToArgb(), out colorID);
if (!keyFound)
{
colorID = (++_colorIdCounter);
UsedColors.Add(color.ToArgb(), colorID);
}
return(colorID);
}
// ******************************************************************
public Color GetNextColor()
{
while (true)
{
double hue = _random.NextDouble() * 360;
double saturation;
double luminance;
// To go quicker and darker for white background
// saturation = Math.Sqrt(_random.NextDouble()) ;
// luminance = Math.Sqrt(_random.NextDouble());
// To go quicker and lighter for dark background
//saturation = Math.Pow(_random.NextDouble(), 2.0);
//luminance = Math.Pow(_random.NextDouble(), 2.0);
// Less performance but higher compatibility
saturation = _random.NextDouble();
luminance = _random.NextDouble();
HSL hsl = new HSL(hue, saturation, luminance);
Color c = hsl.ToColor();
if (IsFarEnoughFromExistingColor(c, DistanceMin))
{
UsedColors.Add(new ColorRatio(c));
DistanceMin += .02;
_badTryCount = 0;
return(c);
}
_badTryCount++;
if (_badTryCount > Accuracy)
{
_badTryCount = 0;
DistanceMin -= .002;
}
}
}